Departamento de Genética, Evolução e Bioagentes, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.
J Infect Dis. 2014 May 1;209(9):1403-7. doi: 10.1093/infdis/jiu018. Epub 2014 Jan 9.
There is now a growing body of evidence that challenges the current view that Plasmodium vivax-infected erythrocyte (Pv-iE) are unable to sequester. Here we used ex vivo adhesion assays with Pv-iE before and after maturation to demonstrate a higher binding potential of schizonts compared to other asexual stages. These experimental results are correlated with our observations in a panel of 50 vivax malaria patients where schizonts were completely absent in 27 isolates, and few schizonts were observed in the remaining patients. These observations prompt a paradigm shift in P. vivax biology and open avenues to investigate the role of Pv-iE sequestration.
现在有越来越多的证据挑战了目前认为间日疟原虫感染的红细胞(Pv-iE)不能定殖的观点。在这里,我们使用成熟前后的 Pv-iE 进行体外黏附试验,证明裂殖体与其他无性阶段相比具有更高的结合潜力。这些实验结果与我们在 50 例间日疟患者的研究结果相关,其中 27 例分离株中完全没有裂殖体,而其余患者中裂殖体很少。这些观察结果促使人们对间日疟生物学的范式发生转变,并为研究 Pv-iE 定殖的作用开辟了途径。